Bonny Doon, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bonny Doon, a community in Santa Cruz County, California.
This Afternoon
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 74 in the afternoon. Northwest wind around 6 mph.
7-day forecast for Bonny Doon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 6 mph NW | 0% |
| Tonight | 57°F | Mostly Clear | 1 to 5 mph NNW | 0% |
| Saturday | 74°F | Sunny | 0 to 5 mph WNW | 0% |
| Saturday Night | 58°F | Partly Cloudy | 3 mph NW | 0% |
| Sunday | 69°F | Partly Sunny | 1 to 5 mph NW | 3% |
| Sunday Night | 58°F | Mostly Cloudy | 0 to 5 mph NW | 3% |
| Monday | 68°F | Mostly Sunny | 0 to 3 mph WNW | 1% |
| Monday Night | 57°F | Partly Cloudy | 2 mph NW | 0% |
| Tuesday | 73°F | Mostly Sunny | 2 mph W | 0% |
| Tuesday Night | 60°F | Mostly Clear | 2 mph NW | 0% |
| Wednesday | 83°F | Sunny | 2 mph W | 0% |
| Wednesday Night | 66°F | Mostly Clear | 1 mph NW | 0% |
| Thursday | 84°F | Sunny | 2 mph W | 0% |
| Thursday Night | 65°F | Mostly Clear | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov) for Bonny Doon (37.044, -122.137). Updated through the day.
Growing snapshot for Bonny Doon
Last spring frost
Jan 29
First fall frost
Dec 13
Growing season
323 days
Hardiness zone
9b
More local growing data for Bonny Doon: nearby ZIP 95060 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Santa Cruz, Ca (5.5 mi from Bonny Doon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.